/* ============================================================
   九州体育入口 · 共享样式表 /assets/site.css
   夜场球场 / 战术板视觉系统
   ============================================================ */

/* ---------- 1. CSS 变量 ---------- */
:root {
  /* 色彩 */
  --night: #0B1F17;
  --deep: #123D2A;
  --grass: #1F6B45;
  --pitch: #2E8B57;
  --lime: #C6FF3D;
  --orange: #F08A24;
  --cream: #E8E2D6;
  --rock: #9AA79E;
  --charcoal: #1E2421;
  --mist: #F5F7F2;

  /* 字族 */
  --font-display: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --font-body: "Inter", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --font-serif: "Noto Serif SC", "Songti SC", "SimSun", serif;

  /* 尺度 */
  --wrap: 1200px;
  --gutter: clamp(1.125rem, 4vw, 2.5rem);
  --header-h: 82px;
  --radius: 3px;

  /* 缓动 */
  --ease: cubic-bezier(.22, .61, .36, 1);
}

/* ---------- 2. Reset ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-padding-top: calc(var(--header-h) + 18px);
}

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

body,
h1, h2, h3, h4, h5, h6,
p, figure, blockquote, dl, dd, ul, ol {
  margin: 0;
}

ul[class],
ol[class] {
  list-style: none;
  padding: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  padding: 0;
}

img,
svg,
video {
  display: block;
  max-width: 100%;
}

table {
  border-collapse: collapse;
  width: 100%;
}

:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 3px;
  border-radius: 1px;
}

/* ---------- 3. 基础排版 ---------- */
body {
  font-family: var(--font-body);
  font-size: clamp(1rem, 0.96rem + 0.18vw, 1.0625rem);
  line-height: 1.75;
  color: var(--cream);
  background-color: var(--night);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.015em;
}

strong, b { font-weight: 700; }

::selection {
  background: var(--lime);
  color: #10230B;
}

/* ---------- 4. 工具类 ---------- */
.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.stack {
  display: flex;
  flex-direction: column;
  gap: var(--stack-gap, 1rem);
}

.cluster {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
}

.rule {
  height: 1px;
  border: 0;
  background: currentColor;
  opacity: 0.16;
}

/* ---------- 5. 跳转链接 ---------- */
.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 200;
  padding: 0.75rem 1.15rem;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 700;
  color: #10230B;
  background: var(--lime);
  border-radius: 2px;
  transform: translateY(calc(-100% - 1.25rem));
  transition: transform 0.24s var(--ease);
}

.skip-link:focus {
  transform: translateY(0);
  outline: 2px solid var(--cream);
  outline-offset: 3px;
}

/* ---------- 6. 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.72rem 1.25rem;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0.02em;
  text-align: center;
  border: 1px solid transparent;
  border-radius: 2px;
  cursor: pointer;
  transition: transform 0.22s var(--ease),
              background-color 0.22s var(--ease),
              color 0.22s var(--ease),
              border-color 0.22s var(--ease),
              box-shadow 0.22s var(--ease);
}

.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn:focus-visible { outline: 2px solid var(--lime); outline-offset: 3px; }

.btn--orange {
  background: var(--orange);
  color: #1A0E02;
  box-shadow: 0 10px 26px -18px rgba(240, 138, 36, 0.95);
}

.btn--orange:hover { background: #FF9F3C; }

.btn--lime {
  background: var(--lime);
  color: #10230B;
  box-shadow: 0 10px 26px -18px rgba(198, 255, 61, 0.95);
}

.btn--lime:hover { background: #D6FF6B; }

.btn--ghost {
  background: transparent;
  color: var(--cream);
  border-color: rgba(232, 226, 214, 0.34);
}

.btn--ghost:hover {
  color: var(--lime);
  border-color: var(--lime);
}

.btn--solid {
  background: var(--grass);
  color: var(--mist);
}

.btn--solid:hover { background: var(--pitch); }

/* ---------- 7. 标签 / 数字 / 小标题 ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  color: var(--lime);
}

.eyebrow::before {
  content: "";
  width: 26px;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.28rem 0.6rem;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  line-height: 1.4;
  color: var(--lime);
  background: rgba(198, 255, 61, 0.14);
  border: 1px solid rgba(198, 255, 61, 0.3);
  border-radius: 2px;
}

.tag--round {
  color: #FFB05C;
  background: rgba(240, 138, 36, 0.16);
  border-color: rgba(240, 138, 36, 0.38);
}

.tag--muted {
  color: var(--rock);
  background: rgba(232, 226, 214, 0.07);
  border-color: rgba(232, 226, 214, 0.18);
}

.num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  letter-spacing: -0.01em;
}

/* ---------- 8. 标题与正文层级 ---------- */
.t-display {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.6rem, 7.4vw, 5.75rem);
  line-height: 0.95;
  letter-spacing: -0.035em;
}

.t-headline {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.6rem, 3.4vw, 2.6rem);
  line-height: 1.14;
  letter-spacing: -0.022em;
}

.t-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.1rem, 1.5vw, 1.3125rem);
  line-height: 1.4;
  letter-spacing: -0.01em;
}

.t-lead {
  font-size: clamp(1.0625rem, 1.35vw, 1.1875rem);
  line-height: 1.75;
  color: rgba(232, 226, 214, 0.8);
  max-width: 62ch;
}

.t-editorial {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(1.0625rem, 1.7vw, 1.4375rem);
  line-height: 1.7;
  letter-spacing: 0.005em;
}

/* 浅色区修正 */
.on-light { color: var(--charcoal); }
.on-light .t-lead { color: rgba(30, 36, 33, 0.74); }
.on-light .eyebrow { color: var(--grass); }
.on-light .t-editorial { color: var(--deep); }

/* ---------- 9. 分区 ---------- */
.site-main {
  display: block;
  padding-block-start: var(--header-h);
}

.site-main--flush { padding-block-start: 0; }

.section { padding-block: clamp(3.25rem, 7vw, 6rem); }
.section--tight { padding-block: clamp(2rem, 4vw, 3rem); }

.section--night {
  background: var(--night);
  color: var(--cream);
}

.section--deep {
  background: var(--deep);
  color: var(--cream);
}

.section--cream {
  background: var(--cream);
  color: var(--charcoal);
}

.section--mist {
  background: var(--mist);
  color: var(--charcoal);
}

/* 草皮竖纹氛围层，可加在深色区块上 */
.section--turf {
  background-color: var(--deep);
  background-image: repeating-linear-gradient(
    90deg,
    rgba(198, 255, 61, 0.035) 0 2px,
    transparent 2px 96px
  );
  color: var(--cream);
}

/* ---------- 10. 网格 ---------- */
.grid {
  display: grid;
  gap: clamp(1rem, 2.4vw, 2rem);
}

.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.grid--split {
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  align-items: start;
}

.grid--offset > :nth-child(even) {
  margin-block-start: clamp(1rem, 3vw, 2.75rem);
}

@media (max-width: 899px) {
  .grid--3,
  .grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }

  .grid--split { grid-template-columns: minmax(0, 1fr); }

  .grid--offset > :nth-child(even) { margin-block-start: 0; }
}

@media (max-width: 599px) {
  .grid--2,
  .grid--3,
  .grid--4 { grid-template-columns: minmax(0, 1fr); }
}

/* ---------- 11. 图片容器 ---------- */
.figure {
  position: relative;
  display: block;
  overflow: hidden;
  isolation: isolate;
  aspect-ratio: 16 / 10;
  border: 1px solid rgba(232, 226, 214, 0.14);
  border-radius: var(--radius);
  background-color: var(--grass);
  background-image:
    radial-gradient(120% 90% at 50% -20%, rgba(198, 255, 61, 0.22), transparent 62%),
    linear-gradient(160deg, var(--pitch) 0%, var(--deep) 55%, var(--night) 100%);
}

.figure::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(90deg, rgba(198, 255, 61, 0.09) 0 1px, transparent 1px 68px),
    linear-gradient(180deg, transparent 55%, rgba(11, 31, 23, 0.55) 100%);
}

.figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.figure figcaption {
  position: absolute;
  z-index: 2;
  inset: auto 0 0 0;
  padding: 0.7rem 0.95rem;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: rgba(245, 247, 242, 0.86);
  background: linear-gradient(180deg, transparent, rgba(11, 31, 23, 0.82));
}

.figure--wide { aspect-ratio: 21 / 9; }
.figure--tall { aspect-ratio: 4 / 5; }
.figure--square { aspect-ratio: 1 / 1; }

.figure--light {
  border-color: rgba(30, 36, 33, 0.14);
}

/* ---------- 12. 磁贴卡片 ---------- */
.tile {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: clamp(1.15rem, 2.2vw, 1.75rem);
  color: inherit;
  background: rgba(232, 226, 214, 0.045);
  border: 1px solid rgba(232, 226, 214, 0.13);
  border-radius: var(--radius);
  box-shadow: inset 0 1px 0 rgba(232, 226, 214, 0.05);
  transition: transform 0.3s var(--ease),
              border-color 0.3s var(--ease),
              background-color 0.3s var(--ease),
              box-shadow 0.3s var(--ease);
}

.tile:hover {
  transform: translateY(-3px);
  background: rgba(232, 226, 214, 0.075);
  border-color: rgba(198, 255, 61, 0.34);
  box-shadow: 0 20px 42px -30px rgba(0, 0, 0, 0.95);
}

.tile:focus-within {
  border-color: rgba(198, 255, 61, 0.5);
}

.section--cream .tile,
.section--mist .tile,
.on-light .tile {
  color: var(--charcoal);
  background: rgba(255, 255, 255, 0.74);
  border-color: rgba(30, 36, 33, 0.12);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.9) inset;
}

.section--cream .tile:hover,
.section--mist .tile:hover,
.on-light .tile:hover {
  background: #FFFFFF;
  border-color: rgba(31, 107, 69, 0.42);
}

/* ---------- 13. 面包屑 ---------- */
.breadcrumbs {
  padding-block: 1.05rem 0;
  font-size: 0.8125rem;
  letter-spacing: 0.02em;
}

.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}

.breadcrumbs li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--rock);
}

.breadcrumbs li + li::before {
  content: "›";
  color: rgba(154, 167, 158, 0.55);
}

.breadcrumbs a {
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.breadcrumbs a:hover {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

.breadcrumbs [aria-current="page"] { color: var(--cream); }

.on-light .breadcrumbs li { color: #5C6A62; }
.on-light .breadcrumbs a:hover { color: var(--grass); border-bottom-color: var(--grass); }
.on-light .breadcrumbs [aria-current="page"] { color: var(--charcoal); }

/* ---------- 14. 页头 ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 90;
  color: var(--cream);
  background: linear-gradient(180deg, rgba(11, 31, 23, 0.94) 0%, rgba(11, 31, 23, 0.55) 62%, rgba(11, 31, 23, 0) 100%);
  border-bottom: 1px solid transparent;
  transition: background-color 0.35s var(--ease),
              border-color 0.35s var(--ease),
              box-shadow 0.35s var(--ease);
}

.site-header[data-scrolled] {
  background: rgba(18, 61, 42, 0.97);
  border-bottom-color: rgba(232, 226, 214, 0.14);
  box-shadow: 0 16px 36px -26px rgba(0, 0, 0, 0.95);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: clamp(0.75rem, 2vw, 1.75rem);
  min-height: var(--header-h);
  position: relative;
  z-index: 2;
}

/* 品牌 */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  flex: none;
  color: inherit;
}

.brand-mark {
  position: relative;
  flex: none;
  width: 36px;
  height: 36px;
  border-radius: 2px;
  background-color: var(--grass);
  background-image:
    linear-gradient(135deg, transparent 45%, rgba(198, 255, 61, 0.92) 45%, rgba(198, 255, 61, 0.92) 55%, transparent 55%),
    linear-gradient(160deg, var(--pitch) 0%, var(--grass) 60%, var(--deep) 100%);
  box-shadow: inset 0 0 0 1px rgba(232, 226, 214, 0.34);
  transition: box-shadow 0.25s var(--ease);
}

.brand:hover .brand-mark {
  box-shadow: inset 0 0 0 1px rgba(198, 255, 61, 0.75);
}

.brand-text {
  display: block;
  min-width: 0;
}

.brand-name {
  display: block;
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.02em;
  white-space: nowrap;
}

.brand-tagline {
  display: block;
  margin-block-start: 0.16rem;
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  line-height: 1.3;
  color: var(--rock);
  white-space: nowrap;
}

/* 导航 */
.site-nav {
  margin-inline-start: auto;
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 0.1rem;
}

.nav-link {
  position: relative;
  display: inline-block;
  padding: 0.55rem 0.72rem;
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: rgba(232, 226, 214, 0.82);
  border-radius: 2px;
  transition: color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.nav-link:hover {
  color: var(--cream);
  background: rgba(232, 226, 214, 0.08);
}

.nav-link[aria-current="page"] { color: var(--lime); }

.nav-link[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 0.72rem;
  right: 0.72rem;
  bottom: 0.26rem;
  height: 2px;
  background: var(--lime);
  border-radius: 2px;
}

/* 抽屉内 CTA（仅移动端出现） */
.nav-panel-actions { display: none; }

/* 右侧操作区 */
.header-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex: none;
  margin-inline-start: 0.5rem;
}

.header-help {
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: rgba(232, 226, 214, 0.72);
  padding-block-end: 2px;
  border-bottom: 1px solid rgba(232, 226, 214, 0.28);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.header-help:hover {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

.header-cta {
  padding: 0.62rem 1.05rem;
  font-size: 0.8125rem;
}

/* 汉堡按钮 */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 0.55rem;
  padding: 0.55rem 0.7rem;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--cream);
  background: transparent;
  border: 1px solid rgba(232, 226, 214, 0.28);
  border-radius: 2px;
  cursor: pointer;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.nav-toggle:hover {
  color: var(--lime);
  border-color: var(--lime);
}

.nav-toggle:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 2px;
}

.nav-toggle-box {
  display: grid;
  gap: 4px;
  width: 18px;
}

.nav-toggle-bar {
  display: block;
  height: 2px;
  width: 100%;
  background: currentColor;
  border-radius: 2px;
  transition: transform 0.28s var(--ease), opacity 0.2s var(--ease);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* 滚动进度线 */
.scroll-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--lime) 0%, var(--orange) 100%);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s var(--ease);
}

.site-header[data-scrolled] .scroll-progress { opacity: 0.92; }

/* 中等宽度收紧 */
@media (max-width: 1159px) {
  .nav-link {
    padding-inline: 0.55rem;
    font-size: 0.8438rem;
  }

  .nav-link[aria-current="page"]::after {
    left: 0.55rem;
    right: 0.55rem;
  }
}

/* 平板 / 手机：抽屉导航 */
@media (max-width: 1023px) {
  :root { --header-h: 68px; }

  .header-inner { gap: 0.75rem; }

  .brand-mark {
    width: 32px;
    height: 32px;
  }

  .brand-name { font-size: 1rem; }
  .brand-tagline { font-size: 0.625rem; letter-spacing: 0.1em; }

  .header-actions { margin-inline-start: auto; }
  .header-help,
  .header-cta { display: none; }

  .nav-toggle { display: inline-flex; }

  .site-nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    display: block;
    margin: 0;
    padding: 1rem var(--gutter) 2rem;
    background: var(--deep);
    border-top: 1px solid rgba(232, 226, 214, 0.12);
    box-shadow: 0 30px 54px -32px rgba(0, 0, 0, 0.98);
    max-height: calc(100vh - var(--header-h));
    max-height: calc(100dvh - var(--header-h));
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity 0.25s var(--ease),
                transform 0.32s var(--ease),
                visibility 0s linear 0.32s;
  }

  .site-nav[data-open] {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    transition: opacity 0.25s var(--ease),
                transform 0.36s var(--ease),
                visibility 0s linear 0s;
  }

  .nav-list {
    display: block;
  }

  .nav-item + .nav-item {
    border-top: 1px solid rgba(232, 226, 214, 0.1);
  }

  .nav-link {
    display: block;
    padding: 0.95rem 0.9rem;
    font-size: 1rem;
    font-weight: 600;
  }

  .nav-link[aria-current="page"] {
    background: rgba(198, 255, 61, 0.1);
    border-radius: 2px;
    box-shadow: inset 3px 0 0 var(--lime);
  }

  .nav-link[aria-current="page"]::after { display: none; }

  .nav-panel-actions {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    margin-block-start: 1.5rem;
  }

  .nav-panel-actions .btn {
    width: 100%;
    padding-block: 0.85rem;
  }
}

/* ---------- 15. 页脚 ---------- */
.site-footer {
  position: relative;
  margin-block-start: clamp(3rem, 7vw, 6rem);
  color: var(--cream);
  background-color: var(--night);
  background-image: radial-gradient(120% 140% at 12% 0%, rgba(31, 107, 69, 0.34), transparent 58%);
  border-top: 1px solid rgba(232, 226, 214, 0.12);
  overflow: hidden;
}

.site-footer::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 5px;
  background-image: repeating-linear-gradient(
    90deg,
    var(--grass) 0 38px,
    var(--pitch) 38px 76px
  );
  opacity: 0.9;
}

.footer-inner {
  display: grid;
  grid-template-columns: minmax(230px, 1.25fr) minmax(190px, 0.85fr) minmax(250px, 1.1fr);
  gap: clamp(1.75rem, 4vw, 3.5rem);
  padding-block: clamp(2.75rem, 6vw, 4.5rem) clamp(2rem, 4vw, 3rem);
}

.brand--footer .brand-name { font-size: 1.1875rem; }

.footer-blurb {
  margin-block-start: 1rem;
  max-width: 30ch;
  font-size: 0.9375rem;
  line-height: 1.72;
  color: rgba(232, 226, 214, 0.7);
}

.footer-heading {
  margin-block-end: 1rem;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--lime);
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.6rem 1.25rem;
}

.footer-links a {
  display: inline-block;
  font-size: 0.9375rem;
  color: rgba(232, 226, 214, 0.78);
  padding-block-end: 1px;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.footer-links a:hover {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

.contact-list {
  display: grid;
  gap: 0.8rem;
}

.contact-row {
  display: grid;
  gap: 0.12rem;
}

.contact-row dt {
  font-size: 0.6875rem;
  letter-spacing: 0.16em;
  color: var(--rock);
}

.contact-row dd {
  font-size: 0.9375rem;
  line-height: 1.62;
  color: rgba(232, 226, 214, 0.88);
  overflow-wrap: anywhere;
}

.footer-note {
  margin-block-start: 1.05rem;
  max-width: 42ch;
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--rock);
}

.footer-bottom {
  border-top: 1px solid rgba(232, 226, 214, 0.12);
  background: rgba(11, 31, 23, 0.55);
}

.footer-bottom-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem 1.5rem;
  padding-block: 1.3rem;
  font-size: 0.8125rem;
  color: var(--rock);
}

.footer-legal { letter-spacing: 0.02em; }

.footer-legal-note {
  font-size: 0.7813rem;
  color: rgba(154, 167, 158, 0.86);
}

@media (max-width: 959px) {
  .footer-inner {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer-contact {
    grid-column: 1 / -1;
  }
}

@media (max-width: 639px) {
  .footer-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 2rem;
  }

  .footer-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer-bottom-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* ---------- 16. 显现动效 ---------- */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.62s var(--ease), transform 0.62s var(--ease);
}

.js [data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- 17. 减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    transition-delay: 0s !important;
    scroll-behavior: auto !important;
  }

  .js [data-reveal] {
    opacity: 1;
    transform: none;
  }

  .btn:hover,
  .tile:hover {
    transform: none;
  }
}